Rollup node: support for unsafe genesis PVM patches to increase Etherlink tick limit

What

This MR allows to configure the rollup node so that it patches the WASM PVM state at genesis.

Why

The application of this feature is to allow to increase the tick limit of the Etherlink PVM in a controlled setting.

How

The rollup node provides hardcoded PVM patches for Etherlink and can also be configured to apply patches provided by the user for testing purposes.

Manually testing the MR

dune exec tezt/tests/main.exe -- -f sc_rollup.ml unsafe_patch